Remote controller
US8125574B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2007 |
| Grant date | Feb 28, 2012 |
| Priority date | — |
| Expiry date | Dec 26, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/42222
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A remote controller for controlling a display device includes a first image sensor, a processing unit and an activation mechanism. The first image sensor is for sensing an object and forming a digital image. The processing unit is coupled to the first image sensor for calculating image variations of the object on the digital image, correspondingly controlling the display device according to the image variations and deactivating the first image sensor after the remote controller is idle for a predetermined period of time. The activation mechanism is coupled to the first image sensor for re-activating the deactivated first image sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.